The fasteners for a corrugated roof are exposed to the elements causing them to wear over time.
How to install lowes roofing metal over shingles.
Install metal roofing sheets.
In this video i m installing some metal roofing over an existing ash fault shingled roof.
Apply one layer of underlayment over the metal drip at the eaves.
Place a sheet from top to bottom on a section of the roof.
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If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems.
Both metal and shingle roofs are great options for your next roofing project.
We get asked this question all the time.
Can i install a new metal roof over shingles.
Things to know about metal over shingle roof problems.
This is not a complete install only basic install on a bungalow i.
Use only enough fasteners to hold it in place.
Check out our roofing buying guide for this information plus helpful education on roofing maintenance and on roofing types including metal roofing slate shingles wood shingles and more.
By removing the old roof before the new roof s installation you are able to give the underlayment a thorough inspection to ensure there are no damages that could.
Overlap course ends by 4 inches.
Side laps should be staggered 6 feet apart.
Corrugated roof panels are made of interlocking metal sheets shaped into repeating waves or ridges.
Overlap successive courses by 2 inches.
Common types of metal roofing.
3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof.
Yes you can and by doing so you save in the labor and hassle of tearing off the old roof and you won t be contributing to filling our landfills.
After all you ll be making a significant and long term investment.
Metal roofing sheets have to be installed one at a time.
What s involved in how to install metal roofing.
This is by far the most common way to install a metal roof.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
Apply the metal drip edge over the underlayment at the rake.
Anatomy of a steel roof.
This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.
Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.